tests: Fix link errors on AIX

[Bruno Haible]

On AIX 7.1 with xlc, building a testdir of all of gnulib produces link errors:

        xlC -q64 -qthreaded -qtls  -g  -L/home/haible/prefix64/lib  -o 
test-fnmatch-h-c++ test-fnmatch-h-c++.o libtests.a ../gllib/libgnu.a libtests.a 
../gllib/libgnu.a libtests.a  -lm  -lm -lm -lm -lm -lm -lm -lm -lm -lm
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutex_lock
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutex_unlock
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
make: 1254-004 The error code from the last command is 8.
 (continuing)
        xlC -q64 -qthreaded -qtls  -g  -L/home/haible/prefix64/lib  -o 
test-glob-h-c++ test-glob-h-c++.o libtests.a ../gllib/libgnu.a libtests.a 
../gllib/libgnu.a libtests.a  /home/haible/prefix64/lib/libintl.a  -lm  -lm -lm 
-lm -lm -lm -lm -lm -lm -lm
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutex_lock
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutex_unlock
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
make: 1254-004 The error code from the last command is 8.
 (continuing)
        xlC -q64 -qthreaded -qtls  -g  -L/home/haible/prefix64/lib  -o 
test-stdlib-c++ test-stdlib-c++.o  test-stdlib-c++2.o libtests.a 
../gllib/libgnu.a libtests.a ../gllib/libgnu.a libtests.a  
/home/haible/prefix64/lib/libintl.a    -lm  -lm -lm -lm -lm -lm -lm -lm -lm -lm
ld: 0711-317 ERROR: Undefined symbol: .perfstat_cpu_total
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
make: 1254-004 The error code from the last command is 8.
 (continuing)
        xlC -q64 -qthreaded -qtls  -g  -L/home/haible/prefix64/lib  -o 
test-sys_stat-c++ test-sys_stat-c++.o libtests.a ../gllib/libgnu.a libtests.a 
../gllib/libgnu.a libtests.a  /home/haible/prefix64/lib/libintl.a  -lm  -lm -lm 
-lm -lm -lm -lm -lm -lm -lm
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutex_lock
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutex_unlock
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutex_init
ld: 0711-317 ERROR: Undefined symbol: .pthread_cond_init
ld: 0711-317 ERROR: Undefined symbol: .pthread_cond_wait
ld: 0711-317 ERROR: Undefined symbol: .pthread_cond_signal
ld: 0711-317 ERROR: Undefined symbol: .pthread_cond_broadcast
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutex_destroy
ld: 0711-317 ERROR: Undefined symbol: .pthread_cond_destroy
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutexattr_init
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutexattr_settype
ld: 0711-317 ERROR: Undefined symbol: .pthread_mutexattr_destroy
ld: 0711-317 ERROR: Undefined symbol: .pthread_once
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
make: 1254-004 The error code from the last command is 8.
 (continuing)
        xlC -q64 -qthreaded -qtls  -g  -L/home/haible/prefix64/lib  -o 
test-uchar-c++ test-uchar-c++.o   libtests.a ../gllib/libgnu.a libtests.a 
../gllib/libgnu.a libtests.a  -lpthread -lm  -lm -lm -lm -lm -lm -lm -lm -lm -lm
ld: 0711-317 ERROR: Undefined symbol: .uc_is_xdigit
ld: 0711-317 ERROR: Undefined symbol: .uc_is_upper
ld: 0711-317 ERROR: Undefined symbol: .uc_is_space
ld: 0711-317 ERROR: Undefined symbol: .uc_is_punct
ld: 0711-317 ERROR: Undefined symbol: .uc_is_print
ld: 0711-317 ERROR: Undefined symbol: .uc_is_lower
ld: 0711-317 ERROR: Undefined symbol: .uc_is_graph
ld: 0711-317 ERROR: Undefined symbol: .uc_is_digit
ld: 0711-317 ERROR: Undefined symbol: .uc_is_cntrl
ld: 0711-317 ERROR: Undefined symbol: .uc_is_blank
ld: 0711-317 ERROR: Undefined symbol: .uc_is_alpha
ld: 0711-317 ERROR: Undefined symbol: .uc_is_alnum
ld: 0711-345 Use the -bloadmap or -bnoquiet option to obtain more information.
make: 1254-004 The error code from the last command is 8.
 (continuing)

This patch should fix it.


2021-12-24  Bruno Haible  <bruno@clisp.org>

        tests: Fix link errors on AIX.
        * modules/fnmatch-h-c++-tests (Makefile.am): Link test-fnmatch-h-c++
        with $(LIB_MBRTOWC).
        * modules/glob-h-c++-tests (Makefile.am): Link test-glob-h-c++ with
        $(LIB_MBRTOWC).
        * modules/stdlib-c++-tests (Makefile.am): Link test-stdlib-c++ with
        $(GETLOADAVG_LIBS).
        * modules/sys_stat-c++-tests (Makefile.am): Link test-sys_stat-c++ with
        $(LIB_MBRTOWC).
        * modules/uchar-c++-tests (Makefile.am): Link test-uchar-c++ with
        $(LIBUNISTRING).

diff --git a/modules/fnmatch-h-c++-tests b/modules/fnmatch-h-c++-tests
index 3aed07929..abae06d99 100644
--- a/modules/fnmatch-h-c++-tests
+++ b/modules/fnmatch-h-c++-tests
@@ -15,4 +15,5 @@ if ANSICXX
 TESTS += test-fnmatch-h-c++
 check_PROGRAMS += test-fnmatch-h-c++
 test_fnmatch_h_c___SOURCES = test-fnmatch-h-c++.cc
+test_fnmatch_h_c___LDADD = $(LDADD) $(LIB_MBRTOWC)
 endif
diff --git a/modules/glob-h-c++-tests b/modules/glob-h-c++-tests
index de42019ea..4ae96408e 100644
--- a/modules/glob-h-c++-tests
+++ b/modules/glob-h-c++-tests
@@ -15,5 +15,5 @@ if ANSICXX
 TESTS += test-glob-h-c++
 check_PROGRAMS += test-glob-h-c++
 test_glob_h_c___SOURCES = test-glob-h-c++.cc
-test_glob_h_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_CLOCK_GETTIME)
+test_glob_h_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_CLOCK_GETTIME) $(LIB_MBRTOWC)
 endif
diff --git a/modules/stdlib-c++-tests b/modules/stdlib-c++-tests
index 1089c46ee..465ebfeda 100644
--- a/modules/stdlib-c++-tests
+++ b/modules/stdlib-c++-tests
@@ -16,5 +16,5 @@ if ANSICXX
 TESTS += test-stdlib-c++
 check_PROGRAMS += test-stdlib-c++
 test_stdlib_c___SOURCES = test-stdlib-c++.cc test-stdlib-c++2.cc
-test_stdlib_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_CLOCK_GETTIME) 
$(LIB_EACCESS) $(LIB_GETRANDOM)
+test_stdlib_c___LDADD = $(LDADD) $(LIBINTL) $(GETLOADAVG_LIBS) 
$(LIB_CLOCK_GETTIME) $(LIB_EACCESS) $(LIB_GETRANDOM)
 endif
diff --git a/modules/sys_stat-c++-tests b/modules/sys_stat-c++-tests
index 03f0048f8..576ef0701 100644
--- a/modules/sys_stat-c++-tests
+++ b/modules/sys_stat-c++-tests
@@ -15,5 +15,5 @@ if ANSICXX
 TESTS += test-sys_stat-c++
 check_PROGRAMS += test-sys_stat-c++
 test_sys_stat_c___SOURCES = test-sys_stat-c++.cc
-test_sys_stat_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_CLOCK_GETTIME)
+test_sys_stat_c___LDADD = $(LDADD) $(LIBINTL) $(LIB_CLOCK_GETTIME) 
$(LIB_MBRTOWC)
 endif
diff --git a/modules/uchar-c++-tests b/modules/uchar-c++-tests
index 2cbc3312b..7ff4e1bf2 100644
--- a/modules/uchar-c++-tests
+++ b/modules/uchar-c++-tests
@@ -39,5 +39,5 @@ test_uchar_c___SOURCES = test-uchar-c++.cc
 if CXX_HAVE_CUCHAR
 test_uchar_c___SOURCES += test-uchar-c++2.cc
 endif
-test_uchar_c___LDADD = $(LDADD) $(LIB_MBRTOWC)
+test_uchar_c___LDADD = $(LDADD) $(LIBUNISTRING) $(LIB_MBRTOWC)
 endif